Fact-Checked·Verified against peer-reviewed sources · Last updated Oct 24, 2026·For research use only - not for human consumption
Growth HormoneActive Research

IGF-1

Also known as: igf1 · somatomedin C · insulin-like growth factor 1 · insulin like growth factor 1 · IGF1

For in-vitro (laboratory) research purposes only. Not for human or animal consumption.

Peptide Stores Online branded research vialCOMING SOON

Available Forms

InjectableNasal Spray

Research Applications

Muscle GrowthFat LossHormonal Balance

Check independent lab results, free

Finnrick Analytics publishes independent lab test results for peptide products from named vendors, and anyone can check the published results for free.

For in-vitro research use only. Not for human consumption.

1What Is IGF-1?

Endogenous growth factor studied for anabolic, cell proliferative, and neuroprotective activities.

4Published Research - Plain English Summaries

The studies below have been published in peer-reviewed journals. Summaries are written in plain language - no jargon. Citations are provided as text only.

review

Liu Y, Zhang Y, Huang Y, Bi X · 2027 · Experimental neurology · PMID 42753899

animal study

Xie M, Li A, Sun X, Liu J, Wei Y, Yang H, Chen S, Zhong X, Quan D, Guan X, Tian L, Jie Y · 2027 · Bioactive materials · PMID 42781431

other

Giannakopoulos A, Gkentzi D, Efthymiadou A, Chrysis D · 2026 · Bone · PMID 42705404

other

Pei L, Cummings C, Saeed H, Amore A, Farahmandsadr M, Sheehan A, Ferraz-Bannitz R, Simonson DC, Patti ME · 2026 · The Journal of clinical endocrinology and metabolism · PMID 42904318

other

Koylu NY, Basaran H, Yazgan BF, Sendur SN, Dagdelen S, Ariyurek MO, Erbas T · 2026 · Archives of endocrinology and metabolism · PMID 42905597

other

Key finding: Higher IGFBP-3 linked to slower symptom score increase

A human study followed people with early Parkinson disease across several years and tested whether starting levels of the binding protein IGFBP-3 tracked with later anxiety and depression scores.

Geng C, Chen C · 2026 · Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · PMID 42891731

other

Yilmaz MK, Coskun E, Karanfil B, Niyazoglu M, Hatipoglu E · 2026 · Endocrine connections · PMID 42895208

other

Mayar EM, Sim SY · 2026 · Cureus · PMID 42894725

other

Du W, Yuan M, Gao Z, Li H, Xue W, Lei G, Liao E, Hauke DJ, Kuang Y, Shen D, Cai J, Zhu H · 2026 · Psychological medicine · PMID 42895100

animal study

Guo W, Duan Q, Ning B, Mei Y · 2026 · Journal of stomatology, oral and maxillofacial surgery · PMID 42880454

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All content on this page is for in-vitro research purposes only. Not intended for human or animal use. Consult a licensed professional before handling research chemicals. No content on this page constitutes medical advice or a treatment recommendation.

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All products listed on Peptide Stores Online are for in-vitro laboratory and educational research purposes only. Not for human or animal consumption. Not evaluated by the Food and Drug Administration. Not intended to diagnose, treat, cure, or prevent any disease or condition. All sellers and buyers agree to full research-use-only terms at account creation. Peptide Stores Online assumes no liability for misuse of any product listed on this platform.